DABCO- and DBU-intercalated α-zirconium phosphate as latent thermal catalysts in the copolymerization of glycidyl phenyl ether (GPE) and Hexahydro-4-methylphthalic anhydride (cas 19438-60-9) (MHHPA)
-
Add time:08/17/2019 Source:sciencedirect.com
The latent catalytic abilities of tertiary amines-intercalated α-zirconium phosphate [(α-ZrP·amine): 1,4-diazabicyclo[2,2,2]octane (α-ZrP·DABCO) and 1,8-diazabicyclo[5,4,0]undec-7-ene (α-ZrP·DBU)] were examined by copolymerization of glycidyl phenyl ether (GPE) and Hexahydro-4-methylphthalic anhydride (cas 19438-60-9) (MHHPA) at varying temperatures for 1 h periods. Polymerization was not observed until the reactants were heated to 100 °C or above. Upon increasing the temperature, the conversion factors of GPE increased such that, at 140 °C, both conversions were over 90% for α-ZrP·DABCO and α-ZrP·DBU. The thermal stabilities of GPE and MHHPA with the catalysts at 40 °C for 144 h were tested: GPE with α-ZrP·DBU achieved conversions of 9%. The reaction in the presence of α-ZrP·DABCO did not proceed at 40 °C for 144 h.
We also recommend Trading Suppliers and Manufacturers of Hexahydro-4-methylphthalic anhydride (cas 19438-60-9). Pls Click Website Link as below: cas 19438-60-9 suppliers
Prev:Metal complexes of meso-tetra-(p-chlorophenyl)porphyrin and meso-tetra-(p-bromophenyl)porphyrin: Tl[(p-Cl)4tpp](OAc) and In[(p-X)4tpp](OAc) [X=Cl, Br, tpp=5,10,15,20-tetraphenylporphyrinate]
Next:Experiment, correlation and molecular simulation for solubility of 4-Methylphthalic anhydride (cas 19438-61-0) in different organic solvents from T = (278.15 to 318.15) K) - 【Back】【Close 】【Print】【Add to favorite 】